#518F63
Closest named color: Light Forest Green (#4F9153). oklch(59.6% 0.093 152), rgb(81, 143, 99).
Aa
Black text reads best on this color (5.45:1).
About this color
#518F63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.093 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.024 away. Black text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.45:1 |
| White text | 3.84:1 |
Values
| HEX | #518F63 |
| RGB | rgb(81, 143, 99) |
| HSL | hsl(137, 28%, 44%) |
| OKLCH | oklch(59.6% 0.093 152) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #518F63 | 3.84:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #518F63 | 5.45:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #518F63 text on white | 3.84:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #518F63 text on black | 5.45:1 | AA | Lc -35.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE6
oklch(93.7% 0.013 152.6)
-
Step 200
200
#CDDED1
oklch(88.4% 0.025 152.8)
-
Step 300
300
#ACCAB2
oklch(81% 0.046 151.1)
-
Step 400
400
#7EAE8A
oklch(70.7% 0.073 151.9)
-
Step 500
500 (this color)
#518F63
oklch(59.6% 0.093 152)
-
Step 600
600
#3F8455
oklch(55.5% 0.102 152.1)
-
Step 700
700
#317045
oklch(49.2% 0.095 151.8)
-
Step 800
800
#295B39
oklch(42.6% 0.078 152.1)
-
Step 900
900
#274B31
oklch(37.8% 0.061 151.5)
-
Step 950
950
#172C1D
oklch(27% 0.039 152.2)
#518F63 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8F8660 | 0.080 |
| Deuteranopia (no green cones) | #867F66 | 0.080 |
| Tritanopia (no blue cones) | #458D83 | 0.049 |
| Achromatopsia (no color) | #828282 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518F63
#518F63
oklch(59.6% 0.093 152)
- #A06A98
#A06A98
oklch(59.7% 0.093 332.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #518F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.024
- Dark Sage #598556 ΔE 0.029
- Slate Green #658D6D ΔE 0.029
- Ocean Green #3D9973 ΔE 0.031
- Viridian #1E9167 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.038
- Fern Green #548D44 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.049
Use #518F63 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.